/*
 *
 * Copyright (c) 2020-2022, Java知识图谱 (http://www.altitude.xin).
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

package xin.altitude.cms.security.handle;

import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.AuthenticationEntryPoint;
import xin.altitude.cms.common.entity.AjaxResult;
import xin.altitude.cms.common.util.JacksonUtils;
import xin.altitude.cms.common.util.ServletUtils;
import xin.altitude.cms.common.util.StringUtil;
import xin.altitude.cms.framework.constant.HttpStatus;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.Serializable;

/**
 * 认证失败处理类 返回未授权
 *
 * @author <a href="http://www.altitude.xin" target="_blank">Java知识图谱</a>
 * @author <a href="https://gitee.com/decsa/ucode-cms-vue" target="_blank">UCode CMS</a>
 * @author <a href="https://space.bilibili.com/1936685014" target="_blank">B站视频</a>
 */
// @Component
public class AuthenticationEntryPointImpl implements AuthenticationEntryPoint, Serializable {
    private static final long serialVersionUID = -8970718410437077606L;

    @Override
    public void commence(HttpServletRequest request, HttpServletResponse response, AuthenticationException e)
        throws IOException {
        int code = HttpStatus.UNAUTHORIZED;
        String msg = StringUtil.format("请求访问：{}，认证失败，无法访问系统资源", request.getRequestURI());
        String content = JacksonUtils.writeValueAsString(AjaxResult.error(code, msg));
        ServletUtils.renderString(response, content);
    }
}
